Daphne's house is historical landmark Alder Manor in Yonkers NY, the mansion of mining magnate W.B. Thompson. It was designed in a 20th century Renaissance Revival architectural style. It is rented out as event space, particularly weddings.
Tai Lyn Sandhu's debut.
The chandelier and the room seen in the beginning of the film, before Petula and Tilda go to the mansion, is the same room that Daphne wants as a nursery and the same chandelier that appears in the sleepover scene.